JavaScript Pivot Table demo

new Flexmonster({
  container: "#pivot-container",
  componentFolder: "https://cdn.flexmonster.com/",
  height: 550,
  toolbar: true,
  report: {
    dataSource: {
      type: "json",
      filename: "data/retail-data.json",
      mapping: {
        "Quantity": {
          type: "number",
        },
        "Price": {
          type: "number",
        },
        "Retail Category": {
          type: "string",
        },
        "Sales": {
          type: "number",
        },
        "Order Date": {
          type: "year/quarter/month/day",
        },
        "Date": {
          type: "date",
        },
        "Status": {
          type: "string",
        },
        "Product Code": {
          type: "string",
        },
        "Phone": {
          type: "string",
        },
        "Country": {
          type: "string",
          folder: "Location",
        },
        "City": {
          type: "string",
          folder: "Location",
        },
        "CurrencyID": {
          type: "property",
          hierarchy: "Country",
        },
        "Contact Last Name": {
          type: "string",
        },
        "Contact First Name": {
          type: "string",
        },
        "Deal Size": {
          type: "string",
        },
      },
    },
    slice: {
      rows: [
        {
          uniqueName: "Country",
          filter: {
            members: [
              "country.[australia]",
              "country.[usa]",
              "country.[japan]",
            ],
          },
        },
        {
          uniqueName: "Status",
        },
      ],
      columns: [
        {
          uniqueName: "Order Date",
        },
        {
          uniqueName: "[Measures]",
        },
      ],
      measures: [
        {
          uniqueName: "Price",
          aggregation: "sum",
          format: "-13w0a1w1c23j00",
        },
      ],
      sorting: {
        column: {
          type: "desc",
          tuple: [],
          measure: {
            uniqueName: "Price",
            aggregation: "sum",
          },
        },
      },
      expands: {
        rows: [
          {
            tuple: ["country.[japan]"],
          },
        ],
      },
      drills: {
        columns: [
          {
            tuple: ["order date.[2019]"],
          },
        ],
      },
      flatSort: [
        {
          uniqueName: "Price",
          sort: "desc",
        },
      ],
    },
    conditions: [
      {
        formula: "#value > 35000",
        measure: "Price",
        aggregation: "sum",
        format: {
          backgroundColor: "#00A45A",
          color: "#FFFFFF",
          fontFamily: "Arial",
          fontSize: "12px",
        },
      },
      {
        formula: "#value < 2000",
        measure: "Price",
        aggregation: "sum",
        format: {
          backgroundColor: "#df3800",
          color: "#FFFFFF",
          fontFamily: "Arial",
          fontSize: "12px",
        },
      },
    ],
    formats: [
      {
        name: "-13w0a1w1c23j00",
        thousandsSeparator: " ",
        decimalSeparator: ".",
        decimalPlaces: 0,
        currencySymbol: "$",
        positiveCurrencyFormat: "$1",
        nullValue: "-",
        textAlign: "right",
        isPercent: false,
      },
    ],
  },
  customizeCell: customizeCell,
  shareReportConnection: {
    url: "https://olap.flexmonster.com:9500",
  },
  beforetoolbarcreated: function (toolbar) {
    toolbar.showShareReportTab = true;
  },
});

function customizeCell(cell, data) {
  if (data.type === "header" && data.hierarchy?.caption === "Country" && data.member?.properties) {
    const name = data.member.properties.CurrencyID;
    cell.addClass("fm-custom-cell");
    let flag;
    if (data.expanded) {
      flag = `<i class="fm-icon fm-expanded-icon" title="Click to collapse"></i>
<img class="flag-icon" src="https://cdn.flexmonster.com/flags/${name.toLowerCase()}.svg">`;
    } else {
      flag = `<i class="fm-icon fm-collapsed-icon" title="Click to expand"></i>
<img class="flag-icon" src="https://cdn.flexmonster.com/flags/${name.toLowerCase()}.svg">`;
    }
    cell.text = `<div style="display:flex; align-items:center; font-size:12px; position:relative;">
${flag}<span style="margin-left: 2px; line-height: 16px;">${data.member.caption}</span></div>`;
  }
}

<div id="pivot-container"></div>

.fm-custom-cell {
  display: flex !important;
  align-items: center !important;
  font-size: 12px !important;
}

.fm-custom-cell .flag-icon {
  width: 21px !important;
  height: 16px !important;
  margin-left: 0 !important;
  margin-right: 2px !important;
}

#fm-pivot-view .fm-grid-layout .fm-custom-cell.fm-expanded .fm-expanded-icon::before,
#fm-pivot-view .fm-grid-layout .fm-custom-cell.fm-collapsed .fm-collapsed-icon::before {
  top: -2px;
  height: 16px;
}